Area Code 318-303 located in RAYVILLE, RICHLAND, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 303 City : RAYVILLE County : RICHLAND State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 22083 LATA (Local Access Transport Area) : 486 Rate Center : RAYVILLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 71269 Other Information NPANXX : 318303 County Population : 0 Switch CLLI (Common Language Location Identifier) : SHPTLAMA1MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - LA OCN (Operating Company Number) : 3232 Coverage Area Name : RAYVILLE Latitude : 32.4747 Longitude : -91.7586 ‹ previous : 318-302 next › : 318-304 Telephone Number List 318-303-0000 ~ 318-303-9999